#30385: SearchVector's usage of CONCAT makes it impossible to index against.
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Reporter: Simon Charette | Owner: Simon
| Charette
Type: Bug | Status: closed
Component: contrib.postgres | Version: 2.2
Severity: Release blocker | Resolution: fixed
Keywords: | Triage Stage: Accepted
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by Mariusz Felisiak <felisiak.mariusz@…>):
In [changeset:"88bf635c356b4d3a47e88dc4142b90060ce3c2ef" 88bf635c]:
{{{
#!CommitTicketReference repository=""
revision="88bf635c356b4d3a47e88dc4142b90060ce3c2ef"
[2.2.x] Fixed #30385 -- Restored SearchVector(config) immutability.
Regression in 1a28dc3887e8d66d5e3ff08cf7fb0a6212b873e5.
The usage of CONCAT to allow SearchVector to deal with non-text fields
made the generated expression non-IMMUTABLE which prevents a functional
index to be created for it.
Using a combination of COALESCE and ::text makes sure the expression
preserves its immutability.
Refs #29582. Thanks Andrew Brown for the report, Nick Pope for the
review.
Backport of 405c8363362063542e9e79beac53c8437d389520 from master
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/30385#comment:4>
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